/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Drawing/MeshWireframeComponent.h
enum EMeshEdgeType { Regular = 1, MeshBoundary = 1 << 2, UVSeam = 1 << 3, NormalSeam = 1 << 4, GroupBoundary = 1 << 5, ColorSeam = 1 << 6, TangentSeam = 1 << 7, }